/Engine/Plugins/Media/MediaIOFramework/Source/MediaIOCore/Public/MediaCapture.h
Set the media output. Can only be set when the capture is stopped.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Media|Output") void SetMediaOutput ( [UMediaOutput](API\Plugins\MediaIOCore\UMediaOutput) * InMediaOutput )